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高壓配電柜安裝
installation low voltage room
工廠配電電纜橋架
Cable tray of factory electrical system
低壓配電柜安裝
Installation of low voltage distribution cabinet
配電柜電纜安裝
Distribution cabinet cable installation
配電柜在調(diào)試中
Being adjusted and tested power panel
生產(chǎn)線電纜安裝 配電室安裝
Production line cable installation Distribution room installation